18 Questions
What is the function of the axon in a neuron?
Insulates the axon for faster impulse transmission
Which type of neuron typically lacks a myelin sheath around its axon?
Relay neuron
What is the process called when the electrical impulse is transferred from one neuron to another?
Synaptic transmission
Which part of the neuron releases neurotransmitters across the synaptic gap?
Axon terminal
What are excitatory neurotransmitters responsible for?
Creating action potentials in the post-synaptic cell
Which type of neuron carries signals from the central nervous system to muscles or glands?
Motor neuron
Which type of neurotransmitters makes a post-synaptic cell more likely to fire?
Noradrenaline
What is the effect of inhibitory neurotransmitters on a post-synaptic cell?
Make it less likely to fire
What is the role of excitatory neurotransmitters like noradrenaline in synaptic transmission?
Make the post-synaptic cell more likely to fire
Which neurotransmitter is mentioned in relation to Jack's ADHD treatment?
Dopamine
What happens when an inhibitory neurotransmitter binds to post-synaptic receptors?
Results in an IPSP
What is the effect of an excitatory post-synaptic potential (EPSP) on a post-synaptic cell?
Makes it more likely to fire
Where are sensory neurons typically found?
In the eyes, ears, tongue, and skin
Which type of neuron is responsible for carrying nerve impulses to the spinal cord and brain?
Sensory neurons
What is the function of relay neurons?
Allow sensory and motor neurons to communicate
Which part of a neuron is often referred to as the 'control centre'?
Nucleus
What triggers a response in muscle cells to result in movement?
Release of neurotransmitters by motor neurons
Which type of neuron is found between sensory input and motor output?
Interneurons
Test your knowledge on the structure and function of a neuron's axon, including the transmission of nerve impulses and synaptic connections. Learn about myelin sheath, action potential, and axon terminals.
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